WWIN40 DEMS 171450
IWB (EVENING) DATED 17-01-2021



METEOROLOGICAL ANALYSIS:-

THE CYCLONIC CIRCULATION OVER CENTRAL PARTS OF SOUTH ARABIAN
SEA & ADJOINING EQUATORIAL INDIAN OCEAN EXTENDING UPTO 4.5 KM
ABOVE MEAN SEA LEVEL PERSISTS. THE TROUGH FROM THIS CYCLONIC
CIRCULATION TO COMORIN AREA EXTENDING UPTO 1.5 KM ABOVE MEAN
LEVEL ALSO PERSISTS.

THE CYCLONIC CIRCULATION OVER SOUTHWEST BAY OF BENGAL OFF
SRI LANKA COAST BETWEEN 4.5 KM & 5.8 KM ABOVE MEAN SEA LEVEL
PERSISTS.

THE CYCLONIC CIRCULATION OVER INTERIOR ODISHA & NEIGHBOURHOOD
AT 0.9 KM ABOVE MEAN SEA LEVEL PERSISTS.

THE CYCLONIC CIRCULATION OVER EAST BANGLADESH & NEIGHBOURHOOD
EXTENDING UPTO 1.5 KM ABOVE MEAN SEA LEVEL PERSISTS.

THE CYCLONIC CIRCULATION OVER SOUTHWEST BAY OF BENGAL & ADJOINING
EQUATORIAL INDIAN OCEAN EXTENDING UPTO 2.1 KM ABOVE MEAN SEA LEVEL
PERSISTS.

THE CYCLONIC CIRCULATION OVER NORTHEAST ARABIAN SEA & ADJOINING
SAURASHTRA AT 1.5 KM ABOVE MEAN SEA LEVEL PERSISTS.

CONDITIONS ARE BECOMING FAVOURABLE FOR CESSATION OF NORTHEAST
MONSOON RAINS OVER TAMILNADU, PUDUCHERRY & KARAIKAL,
KERALA & MAHE AND ADJOINING AREAS OF COASTAL ANDHRA PRADESH
& YANAM, RAYALASEEMA AND SOUTH INTERIOR KARNATAKA AROUND 19TH
JANUARY, 2021 (.)

FORECAST:-

RAIN/THUNDERSHOWERS: AT A FEW PLACES OVER ANDAMAN & NICOBAR ISLANDS,
KERALA & MAHE, LAKSHADWEEP AND TAMILNADU, PUDUCHERRY & KARAIKAL AND
AT ISOLATED PLACES OVER ARUNACHAL PRADESH, ASSAM & MEGHALAYA,
SUB-HIMALAYAN WEST BENGAL & SIKKIM, TELANGANA AND COASTAL & NORTH
INTERIOR KARNATAKA (.)

DRY OVER REST OF THE COUNTRY (.)

WARNINGS:-

17 JANUARY (DAY 1):DENSE TO VERY DENSE FOG IN SOME POCKETS
VERY LIKELY OVER PUNJAB, HARYANA,

CHANDIGARH & DELHI, UTTAR PRADESH; IN ISOLATED POCKETS OVER
NORTH RAJASTHAN, NAGALAND, MANIPUR,

MIZORAM & TRIPURA AND ASSAM & MEGHALAYA; DENSE FOG IN ISOLATED
POCKETS OVER HIMACHAL PRADESH,

UTTARAKHAND, NORTHEAST MADHYA PRADESH, BIHAR, ODISHA AND
SUB-HIMALAYAN WEST BENGAL & SIKKIM.

COLD DAY TO SEVERE COLD DAY CONDITIONS IN ISOLATED POCKETS
VERY LIKELY OVER PUNJAB AND HARYANA, CHANDIGARH & DELHI AND
COLD DAY CONDITIONS IN ISOLATED POCKETS OVER UTTAR PRADESH,
BIHAR AND WEST BENGAL.
THUNDERSTORM ACCOMPANIED WITH LIGHTNING VERY LIKELY AT
ISOLATED PLACES OVER LAKSHADWEEP.



18 JANUARY (DAY 2):DENSE TO VERY DENSE FOG IN SOME POCKETS
VERY LIKELY OVER UTTAR PRADESH; IN

ISOLATED POCKETS OVER NORTH RAJASTHAN, NAGALAND, MANIPUR,
MIZORAM & TRIPURA AND ASSAM &

MEGHALAYA; DENSE FOG IN ISOLATED POCKETS OVER UTTARAKHAND,
PUNJAB, HARYANA, CHANDIGARH & DELHI,

BIHAR, ODISHA AND SUB-HIMALAYAN WEST BENGAL & SIKKIM. COLD DAY
CONDITIONS IN ISOLATED POCKETS VERY LIKELY OVER UTTAR PRADESH,
BIHAR AND WEST BENGAL.
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WWIN40 DEMS 091507
IWB (EVENING) DATED 09-01-2021

METEOROLOGICAL ANALYSIS:-
* THE WESTERN DISTURBANCE AS A CYCLONIC CIRCULATION OVER NORTH
PAKISTAN AND ADJOINING JAMMU & KASHMIR BETWEEN 3.1 KM & 5.8 KM ABOVE
MEAN SEA LEVEL PERSISTS.
* THE CYCLONIC CIRCULATION OVER SOUTHEAST ARABIAN SEA EXTENDING UPTO
0.9 KM ABOVE MEAN SEA LEVEL PERSISTS.
* THE TROUGH IN LOW LEVEL EASTERLIES FROM THE ABOVE CYCLONIC
CIRCULATION OVER SOUTHEAST ARABIAN SEA TO NORTHWEST MADHYA PRADESH
ACROSS EASTCENTRAL ARABIAN SEA AND SOUTH GUJARAT REGION AT 0.9 KM
ABOVE MEAN SEA LEVEL PERSISTS.
* THE CYCLONIC CIRCULATION OVER SRI LANKA & NEIGHBOURHOOD EXTENDING
UPTO 0.9 KM ABOVE MEAN SEA LEVEL PERSISTS.
* THE CYCLONIC CIRCULATION OVER EQUATORIAL INDIAN OCEAN & ADJOINING
CENTRAL PARTS OF SOUTH BAY OF BENGAL EXTENDING UPTO 3.1 KM ABOVE MEAN
SEA LEVEL PERSISTS.
* THE CYCLONIC CIRCULATION OVER EAST BANGLADESH & NEIGHBOURHOOD
EXTENDING UPTO 2.1 KM ABOVE MEAN SEA LEVEL PERSISTS.
FORECAST:-
RAIN/SNOW AT ISOLATED PLACES OVER JAMMU & KASHMIR, LADAKH, GILGIT,
BALTISTAN & MUZAFFARABAD AND SUB-HIMALAYAN WEST BENGAL & SIKKIM (.) RAIN/THUNDERSHOWERS AT MOST PLACES OVER TAMILNADU, PUDUCHERRY &
KARAIKAL, COASTAL KARNATAKA, KERALA & MAHE AND LAKSHADWEEP; AT A FEW
PLACES OVER ANDAMAN & NICOBAR ISLANDS, WEST MADHYA PRADESH, MADHYA
MAHARASHTRA AND INTERIOR KARNATAKA AND AT ISOLATED PLACES ARUNACHAL
PRADESH, UTTAR PRADESH, EAST MADHYA PRADESH, GUJARAT REGION, KONKAN &
GOA, MARATHWADA, COASTAL ANDHRA PRADESH & YANAM AND RAYALSEEMA (.)

WARNING:
09 JANUARY (DAY 1): ? *HEAVY RAINFALL AT ISOLATED PLACES VERY LIKELY
OVER KERALA & MAHE AND TAMILNADU, PUDUCHERRY & KARAIKAL. HUNDERSTORM ACCOMPANIED WITH LIGHTNING AT ISOLATED PLACES VERY LIKELY OVER JAMMU
& KASHMIR, LADAKH, GILGIT-BALTISTAN & MUZAFFARABAD, UTTAR PRADESH,
KONKAN & GOA, MADHYA MAHARASHTRA, COASTAL & SOUTH INTERIOR KARNATAKA, TAMILNADU, PUDUCHERRY & KARAIKAL, KERALA & MAHE AND LAKSHADWEEP. *
DENSE FOG IN ISOLATED POCKETS VERY LIKELY OVER PUNJAB, HARYANA,
CHANDIGARH & DELHI, SOUTH UTTAR PRADESH, NORTH RAJASTHAN, NORTH
MADHYA PRADESH AND ODISHA.
10 JANUARY (DAY 2): ? *HEAVY TO VERY HEAVY RAINFALL AT ISOLATED
PLACES VERY LIKELY OVER TAMILNADU, PUDUCHERRY & KARAIKAL AND HEAVY
RAINFALL AT ISOLATED PLACES OVER KERALA & MAHE. ? THUNDERSTORM
ACCOMPANIED WITH LIGHTNING AT ISOLATED PLACES VERY LIKELY OVER
TAMILNADU, PUDUCHERRY & KARAIKAL, KERALA & MAHE AND LAKSHADWEEP. ?
DENSE FOG IN ISOLATED POCKETS VERY LIKELY OVER ODISHA. ? SQUALLY
WEATHER (WIND SPEED REACHING 40-50 KMPH) VERY LIKELY OVER SOUTHWEST
BAY OF BENGAL. FISHERMEN ARE ADVISED NOT TO VENTURE INTO THIS AREA.
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